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SDTC Tech 24-Pin ATX Power Supply Jumper Bridge Tool PSU Test Starter Without Being Plugged Into The Motherboard
SDTC Tech

SDTC Tech 24-Pin ATX Power Supply Jumper Bridge Tool PSU Test Starter Without Being Plugged Into The Motherboard

Bottom line: The SDTC Tech 24-Pin ATX Power Supply Jumper Bridge Tool PSU Test Starter: Starts any ATX/EPS PSU with no motherboard attached; main trade-off: only bridges PS_ON; shows no voltage or wattage readout.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ Starts any ATX/EPS PSU with no motherboard attached
  • ✓ Fits both 20-pin and 24-pin power connectors
  • ✓ 1007 18AWG wire holds up to repeated bench testing
  • ✓ Bench-tests fans, drives, water-cooling loops and miners

Cons

  • ✗ Only bridges PS_ON; shows no voltage or wattage readout
  • ✗ No load resistor, so some PSUs won't stay powered unloaded
  • ✗ Confirms power-on only, won't diagnose a failing PSU
  • ✗ Bare bridging plug with no housing or on/off switch

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SpecPicks Verdict

SpecPicks scored SDTC Tech 24-Pin ATX Power Supply Jumper Bridge Tool PSU Test… using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies & cables category. SDTC Tech's power supplies & cables lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for power supplies & cables of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • 24-Pin ATX/EPS Power Supply Start Up Jumper Bridge Tool is compatible with 20/24 pin connector.
  • Test starter allows the PSU to be powered on without being plugged into a motherboard.
  • 24-Pin Bridging Connector Plug can run and start up any ATX/EPS power supply by its self.
  • The jumper is using 1007 18AWG cable for reliability in long use.
  • Often used in assembling/testing PC water cooling systems, BTC Miners, testing lights, fans, hard drives or the power supply itself etc.

Full Specifications

BrandSDTC Tech
Unit Count1 Count
Form FactorATX
CompatibilityPC
Connector TypeATX
Cooling MethodWater
Number of Items1
Compatible DevicesPersonal Computer

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SDTC Tech 24-Pin ATX Power Supply Jumper Bridge Tool PSU Test Starter Without Being Plugged Into The Motherboard is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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SDTC Tech 24-Pin ATX Power Supply Jumper Bridge Tool PSU Test Starter Without Being Plugged Into The Motherboard
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